How to check if function exists or not in Javascript and jQuery @subhash.purohit . Follow Recommendations Offline Message. over 9 years ago. 0; 0. Positive Vote. 0 Negative Vote. 0 Save Favourite. 0; ...

Every now and then I need to have a method support 2 or 3 arguments, providing a default value for one of them if only 2 are specified. My typical solution is to check the number of arguments passed ...